Diana Preston’s The Dark Defile describes the disastrous occupation of Afghanistan by Britain from 1839 to 1842. This is a well-known story—depicted in grand nineteenth-century canvases (Remnants of an Army), 1960s comedies (Flashman), and a flurry of books with Victorian titles, published or republished to coincide with our current Afghan mess: Signal Catastrophe, Crimson Snow, The Last Man, Retreat and Retribution, Butcher and Bolt. Most of the books remind us that the British “Army of the Indus” swaggered into Kabul from India in 1839; that the general’s personal baggage had been loaded on 260 camels; that behind the lancers in their scarlet cloaks and plumed shakos trotted a pack of hounds, which had been led through the arid horrors of the Bolan Pass in order to hunt foxes in the Hindu Kush; and that the Afghans were soon watching ice-skating and giving advice to British women on their geraniums